A container in the shape of a cube 10.0 cm on each edge contains air (with equivalent molar mass 28.9 g/mol) at atmospheric pressure and temperature 300 K. Find (a) the mass of the gas, (b) the gravitational force exerted on it,and (c) the force it exerts on each face of the cube. (d) Why does such a small sample exert such a great force?

Q: 24. A force vector F points due east and has a magnitude of 200 new- tons. A second force F, is adde...

A: Given: The magnitude of the force vector in the direction of the east is F1 = 200 N The magnitude of...

Q: A pilot in a small plane encounters shifting winds. He flies 26.0 km northeast, then 45.0 km due nor...

A: Concept used: Knowledge of directions is used.  Pythagoras theorem is applicable for right angled tr...

Q: Resolve a force, |F = 250 N, into component ve

A: Given: F→=250N θ1=40o θ2=35o  

Q: Carbon tetrachloride contains 74 electrons in its molecule. Its relative permittivity is 2.26 and de...

A: Given : d=1.68×103kg/m3              E=5×106N/C               εr=2.26 Electronic Polarization (P) : ...

Q: The probability density function for the x component of the velocity of a molecule of an ideal gas i...

A:  

Q: What is a motion diagram?

A: Motion diagram is a diagram which shows the motion of a particle in given time interval. It basicall...

Q: The Question is:

A: Given four current-carrying wires ABCD. The direction of the current flow in wire A and wire-D be de...

Q: Problem 1: Two kickballs of radius R and mass m are placed in an upside down cylindrical bucket of d...

A: (a) Introduction: Newton's second law states that the acceleration of an object is directly related ...

Q: What is the effect of periodic potential on the energy in a metal? Explain it on the basis of Kronig...

A: Kronig Penney model gives us a picture of how an electron behaves in a periodic potential. The poten...

Q: What is the difference between the effort arm and the resistance arm in a lever?

A: A lever is a very simple machine, which helps in directing and magnifying the applied force. A typic...

Q: If you were traveling away from Earth at speed 0.6c, wouldyou notice a change in your heartbeat? Wou...

A:  Since laws of physics are the same for all inertial observers, you would not notice any changes.

Q: (a) A cubic shape conductor with edge length 2m has 16C charge (i) What will be the electric flux? (...

A: Given: L=2 m q=16 C ∆V=100 V σ=0.30×10-6 C/m2

Q: Suppose you need to image the structure of a virus with a diameter of 50 nm. For a sharp image, the ...

A: Given Diameter     = 50 nm Wavelength = 5.0 nm

Q: . Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 10.0m long....

A: To calculate the safe mass so that the vine doesn't break the tension on the vine must be equal to t...

Q: Letter D only

A: Here, we are going to use the concept of Angular displacement (θ), Angular velocity (ω) And Angular ...

Q: A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in −1...

A:  

Q: A particle of mass 4.0kg has position vector of (4.0i-3.0j) at a particular instant of time when its...

A: Concept used: Rotational dynamics for particle is applied.

Q: A pump provides pressure to the lower end of a long pipeline that supplies water from a reservoir to...

A: Given: The height of the house h2 = 150 m. The diameter of the pipeline d = 3.5 cm. The final veloc...

Q: Tessa and Jody, each of mass 68 kg, go out for some exercise together. Tessa runs at 15 km/h; Jody c...

A: Given: The mass of each person is m=68 kg. The speed of each person is v=15 km/h. The time taken fo...

Q: Explain the significance of each force acting on the member ABC and calculate all the unkown force

A: Solution:   From the given above figure,   Each forces acting on the diagram is discussed below:

Q: A very small circular cylinder of radius Ri is rotating at angular velocity ?i inside a much larger ...

A: In this problem, the system consists of inner cylinder, outer cylinder and liquid. The liquid rotate...

Q: The force vector F has a magnitude of F = 385 lb and acts at point A at an angle 0 = 7.7° with respe...

A: Let the clockwise angles be positive. First, evaluate the angles (α and β) made by FAC and FAB, resp...

Q: Please answer number 10. Tysm❤️

A: Two vectors can be added drawing vectors using appropriate scale and then joining tail of first vect...

Q: Assume the Earth to be a sphere of uniform density. Calculate: a. its moment of inertia b. its rotat...

A: Part (a) Given: The power applied to person is P=1.0 kW. The number of persons on earth is n=7.8×10...

Q: A commercial airplane has an air speed of 280 m/s due east and flies with a strong tailwind. It trav...

A:

Q: R14-8. The blocks A and B weigh 10 and 30 lb, respectively. They are connected together by a light c...

A: Solution:   Given Values,   Block A weight m1=10 lb Block B weight m2=30 lb  

Q: A 1.3kg body is suspended from a spring of constant k = 7.2kN/m. At time t 0, it has a downward velo...

A: Given :            mass m = 1.3kg            spring of constant k = 7.2 KN/m                        ...

Q: A camera uses a lens with a focal length of 0.0500 m and can take clear pictures of objects no close...

A: Given: The focal length of the lens f = 0.05 m. The initial distance of the object from the lens d0...

Q: 6- In below figure, find the equivalent spring constant of the system in the direction of 0. k2 k3 k...

A: The potential energy of the system  Ws = 12kt1θ2+12kt2θ2+12kt1l1θ2+12kt1l2θ2+12kt1l3θ2 here the angl...

Q: A small block moves at point A with a speed of 6 m/s. Its path is without friction until it reaches ...

A: Solution:   Given Values,   Point A speed vA=6 m/s Length(L)=8.6 m Coefficient of friction μ=0.65 He...

Q: b). Rotate a line segment 30 degree in anti-clock wise direction with points A(0,0) and B(4,4). Find...

A: x'=xcosθ+ysinθy'=-xsinθ+ycosθ

Q: NA 1.75-nC charged particle located at the origin is separated by a distance of 0.0825 m from a 2.88...

A: According to Coulomb's law The electrostatic force on charge q2 due to charge q1 is given by Where ...

Q: 2. The 1 – i relationship for an electromagnetic system is given by: 2 =1.2 Vi where g is the air ga...

A: (a) Given: The λ-i relationship for an electromagnetic system is as follows: λ=1.2ig The values of i...